X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftuplet-engraver.cc;h=f2838a32c46d2383491d1e7b053aafa8b1a2bdaa;hb=ed9862d117b627c0438d6c11d1bb3ef103abbc47;hp=0a74c470530369c7cfe8870324786c684b77621c;hpb=f68bbd7a1ed1b0e7146bbbffcbcbb7f9c9bda3cc;p=lilypond.git

diff --git a/lily/tuplet-engraver.cc b/lily/tuplet-engraver.cc
index 0a74c47053..f2838a32c4 100644
--- a/lily/tuplet-engraver.cc
+++ b/lily/tuplet-engraver.cc
@@ -1,15 +1,13 @@
 /*   
-  plet-engraver.cc --  implement Tuplet_engraver
+  tuplet-engraver.cc --  implement Tuplet_engraver
   
   source file of the GNU LilyPond music typesetter
   
-  (c) 1998--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1998--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   
  */
 
-
-#include "command-request.hh"
-#include "tuplet-spanner.hh"
+#include "tuplet-bracket.hh"
 #include "note-column.hh"
 #include "time-scaled-music.hh"
 #include "beam.hh"
@@ -17,45 +15,51 @@
 #include "engraver.hh"
 #include "spanner.hh"
 
+struct Tuplet_description
+{
+  Music *music_;
+  Rational stop_;
+  Rational span_stop_;
+  Spanner *spanner_;
+  Tuplet_description()
+  {
+    music_ = 0;
+    spanner_ = 0;
+  }
+};
+
 class Tuplet_engraver : public Engraver
 {
 public:
-  VIRTUAL_COPY_CONS (Translator);
+  TRANSLATOR_DECLARATIONS (Tuplet_engraver);
 
 protected:
-  Link_array<Time_scaled_music> time_scaled_music_arr_;
-  /// when does the scaled music stop? Array order is synced with time_scaled_music_arr_
-  Array<Rational> stop_moments_;
-  /// when does the current spanner stop? Array order is synced with time_scaled_music_arr_
-  Array<Rational> span_stop_moments_;
-  
-  /// The spanners. Array order is synced with time_scaled_music_arr_
-  Link_array<Spanner> started_span_p_arr_;
+  Array<Tuplet_description> tuplets_;
 
-  virtual void finalize ();
   virtual void acknowledge_grob (Grob_info);
   virtual bool try_music (Music*r);
   virtual void start_translation_timestep ();
-  virtual void create_grobs ();
+  virtual void process_music ();
 };
 
 bool
-Tuplet_engraver::try_music (Music *r)
+Tuplet_engraver::try_music (Music *music)
 {
-  if (Time_scaled_music * c = dynamic_cast<Time_scaled_music *> (r))
+  if (music->is_mus_type ("time-scaled-music"))
     {
-      Music *el = c->element ();
-      if (!dynamic_cast<Request_chord*> (el))
+      Music *el = unsmob_music (music->get_property ("element"));
+      if (el && !el->is_mus_type ("event-chord"))
 	{
-	  time_scaled_music_arr_.push (c);
-	  Rational m = now_mom ().main_part_ + c->length_mom ().main_part_;
-	  stop_moments_.push (m);
-
+	  Tuplet_description d;
+	  d.music_ = music;
+	  d.stop_  = now_mom ().main_part_ + music->get_length ().main_part_;
+	  d.span_stop_ = d.stop_;
+	  
 	  SCM s = get_property ("tupletSpannerDuration");
 	  if (unsmob_moment (s))
-	    m = m <? (now_mom () + *unsmob_moment (s)).main_part_;
+	    d.span_stop_ = d.span_stop_ <? (now_mom () + *unsmob_moment (s)).main_part_;
 	  
-	  span_stop_moments_.push (m);
+	  tuplets_.push (d);
 	}
       return true;
     }
@@ -63,44 +67,35 @@ Tuplet_engraver::try_music (Music *r)
 }
 
 void
-Tuplet_engraver::create_grobs ()
+Tuplet_engraver::process_music ()
 {
-  SCM v = get_property ("tupletInvisible");
-  if (to_boolean (v))
-    return;
-
-  for (int i= 0; i < time_scaled_music_arr_.size (); i++)
+  for (int i= 0; i < tuplets_.size (); i++)
     {
-      if (i < started_span_p_arr_.size () && started_span_p_arr_[i])
+      if (tuplets_[i].spanner_)
 	continue;
 
-      Spanner* glep = new Spanner (get_property ("TupletBracket"));
-      Tuplet_bracket::set_interface (glep);
-      if (i >= started_span_p_arr_.size ())
-	started_span_p_arr_.push (glep);
-      else
-	started_span_p_arr_[i] = glep;
-      
+      Spanner* spanner = make_spanner ("TupletBracket",
+				       tuplets_[i].music_->self_scm ());
+      tuplets_[i].spanner_ = spanner;
 
       SCM proc = get_property ("tupletNumberFormatFunction");
-      if (gh_procedure_p (proc))
+      if (ly_c_procedure_p (proc))
 	{
-	  SCM t = gh_apply (proc, scm_listify (time_scaled_music_arr_[i]->self_scm (), SCM_UNDEFINED));
-	  glep->set_grob_property ("text", t);
+	  SCM t = scm_apply_0 (proc, scm_list_1 (tuplets_[i].music_->self_scm ()));
+	  spanner->set_property ("text", t);
 	}
-      
-      announce_grob (glep, time_scaled_music_arr_ [i]);
     }
 }
 
 void
 Tuplet_engraver::acknowledge_grob (Grob_info i)
 {
-  if (Note_column::has_interface (i.elem_l_))
+  if (Note_column::has_interface (i.grob_))
     {
-      for (int j =0; j  <started_span_p_arr_.size (); j++)
-	if (started_span_p_arr_[j]) 
-	  Tuplet_bracket::add_column (started_span_p_arr_[j], dynamic_cast<Item*> (i.elem_l_));
+      for (int j =0; j < tuplets_.size (); j++)
+	if (tuplets_[j].spanner_) 
+	  Tuplet_bracket::add_column (tuplets_[j].spanner_,
+				      dynamic_cast<Item*> (i.grob_));
     }
 }
 
@@ -114,40 +109,37 @@ Tuplet_engraver::start_translation_timestep ()
   if (unsmob_moment (s))
     tsd = unsmob_moment (s)->main_part_;
 
-  for (int i= started_span_p_arr_.size (); i--;)
+  for (int i = tuplets_.size (); i--;)
     {
-      if (now.main_part_ >= span_stop_moments_[i])
+      if (now.main_part_ >= tuplets_[i].span_stop_)
 	{
-	  if (started_span_p_arr_[i])
+	  if (Spanner *sp = tuplets_[i].spanner_)
 	    {
-	      typeset_grob (started_span_p_arr_[i]);
-	      started_span_p_arr_[i] =0;
+	      if (!sp->get_bound (RIGHT))
+		sp->set_bound (RIGHT, sp->get_bound (LEFT));
+	      
+	      tuplets_[i].spanner_ = 0;
 	    }
 	  
 	  if (tsd.to_bool ())
-	    span_stop_moments_[i] += tsd.main_part_;
+	    tuplets_[i].span_stop_ += tsd.main_part_;
 	}
 
-      if (now.main_part_ >= stop_moments_[i])
+      if (now.main_part_ >= tuplets_[i].stop_)
 	{
-	  started_span_p_arr_.del (i);
-	  stop_moments_.del (i);
-	  span_stop_moments_.del (i);
-	  time_scaled_music_arr_.del (i);
+	  tuplets_.del (i);
 	}
     }
 }
 
-void
-Tuplet_engraver::finalize ()
+Tuplet_engraver::Tuplet_engraver ()
 {
-  for (int i=0; i < started_span_p_arr_.size (); i++)
-    {
-      if (started_span_p_arr_[i])
-	typeset_grob (started_span_p_arr_[i]);
-    }  
 }
 
-ADD_THIS_TRANSLATOR (Tuplet_engraver);
-
-
+ENTER_DESCRIPTION (Tuplet_engraver,
+/* descr */       "Catch Time_scaled_music and generate appropriate bracket  ",
+/* creats*/       "TupletBracket",
+/* accepts */     "time-scaled-music",
+/* acks  */      "note-column-interface",
+/* reads */       "tupletNumberFormatFunction tupletSpannerDuration",
+/* write */       "");